Interactive display system having an optical channeling element

Details Interactive display system having an optical channeling element Interactive display system having an optical channeling element

2005-09-27

2005-09-27

Nguyen, Judy (Department: 2851)

Optics: image projectors

Unitary plural refracting surfaces

C353S042000, C385S120000, C348S804000

Reexamination Certificate

active

06948820

ABSTRACT:
A display system includes a waveguide optical panel having an inlet face and an opposite outlet face. A projector and imaging device cooperate with the panel for projecting an image thereon. An optical detector is located near the panel for detecting a location on the outlet face of an inbound light spot. The inbound light is channeled to the detector which may be of a reduced size.

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